Mobile operators offer various mobile networks over which users can dial in and use as telephone, SMS and mobile Internet. These nets are:
GSM
UMTS
LTE
The GSM network is the oldest network in Germany and therefore also very well developed network coverage. UMTS and LTE are not quite as good, for a high data stream can be loaded over you. Especially for the mobile Internet is very very important. Allersings it may sometimes be necessary to turn off your Samsung Galaxy S6 in the GSM mode, so you can call back in a rural region.
If you turn off your Samsung Galaxy S6 in the so-called GSM mode, then this has different effects for you. These are:
Reception quality increases (GSM is the best-developed network standard)
Voice quality increases
Internet speed is very slow, low data transmission in GSM network
The GSM mode is useful for those who have only a poor reception quality in the networks WCDMA and LTE, or where the voice quality for calls is flawed.
We tell you now, as you can switch to GSM mode on the Samsung Galaxy S6. This works in Android as follows:
Opens From the Home screen, the following screen on the Samsung Galaxy S6:
Menu -> Settings -> Mobile networks -> Network mode
It is now open a submenu where did you the following menu items to choose from:
LTE / WCDMA / GSM (connect automatically)
WCDMA / GSM (connect automatically)
Only WCDMA
GSM only
Here you must now select the item "GSM only". That was about it. Your Samsung Galaxy S6 will register only in the GSM network immediately and you have so that the above-mentioned advantages and also disadvantages.